Contents. planet: 7 - Uranus satellites: U1-Ariel : 4, U2-Umbriel : 14, U3-Titania : 16, U4-Oberon : 17 total number: 51 type: relative dates: 1911-1911 observatory: 786 - U.S. Naval Obs., Washington References. Eppes J. B. (1913) Observations of the satellites of Uranus, with corrections to the elements of Oberon and Titania. Astronomical Journal. V. 27. N. 648. P. 188-191. 1913AJ_____27__188E Informations. relative to: planet: 33, U3-Titania : 8, U4-Oberon : 10 reference frame: apparent centre of frame: topocentre epoch of equinox: date time scale: Paris Mean Time reduction: no information coordinates: position angle and separation diff. refraction: not excluded receptor: micrometric telescope: Equatorial, D=26 inch observers: Eppes J. B. data included in standard data file: no Comments. no information Format. 1. Observed satellite number (N sat obs) 2. Reference satellite number (N sat rel), 0 for Uranus 3. Year of the moment of observation 4. Month of the moment of observation 5. Day of the moment of observation 6. Hour of the observation 7. Minute of the observation 8. Seconde of the observation with decimals 9. P (position angle) degrees (999.9 if not given) 10. P (position angle) arcmin (99.9 if not given) 11. S (separation) in arcsec (-99.99 if not given) ------------------------------------------ N sat Year P.M.T. obs month h m s P S rel day deg ' arcsec ------------------------------------------